Or are you looking for a different sighting mechanism all together?? How about taking the front sight post and filing a notch like this
\/ in it ; or cut it at a 45 like this /\. Might Help?? Something to give you a point versus the block at the end.
So that your sight picture ends up looking like this. ( . ) or (/\) or (\/) instead of (||) . Just an idea. The Inverted V may give you the most precision and obliterate less of your target. Trying to do that to something that small may require a precision filer and a fly tieing magnifying glass.
Ben

Originally Posted By anpvs-4:
I still have the open sites that came with my colt ar. I was wondering if there is more accurate open sites available?

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At first I thought you were talking about ar15.com, versus some other, friendlier more open "site". But anyway, I only have a couple open "sites" on my rifle, one where the magazine goes, one where shells come out and one where da bullets come out.